SM320F28335-EP Datasheet, PDF (3/169 Pages) Texas Instruments – Digital Signal Controller (DSC)

SM320F28335-EP
www.ti.com
SPRS581C – JUNE 2009 – REVISED JANUARY 2010
4.4 High-Resolution PWM (HRPWM) ....................................................................................... 65
4.5 Enhanced CAP Modules (eCAP1/2/3/4/5/6) ........................................................................... 67
4.6 Enhanced QEP Modules (eQEP1/2) .................................................................................... 70
4.7 Analog-to-Digital Converter (ADC) Module ............................................................................ 72
4.7.1 ADC Connections if the ADC Is Not Used .................................................................. 75
4.7.2 ADC Registers .................................................................................................. 75
4.7.3 ADC Calibration ................................................................................................. 76
4.8 Multichannel Buffered Serial Port (McBSP) Module .................................................................. 77
4.9 Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B) .................................... 80
4.10 Serial Communications Interface (SCI) Modules (SCI-A, SCI-B, SCI-C) .......................................... 85
4.11 Serial Peripheral Interface (SPI) Module (SPI-A) ..................................................................... 88
4.12 Inter-Integrated Circuit (I2C) ............................................................................................. 91
4.13 GPIO MUX ................................................................................................................. 92
4.14 External Interface (XINTF) ............................................................................................... 99
5 Device Support ................................................................................................................ 101
6 Electrical Specifications ................................................................................................... 101
6.1 Absolute Maximum Ratings ............................................................................................. 101
6.2 Recommended Operating Conditions ................................................................................. 103
6.3 Electrical Characteristics ................................................................................................ 103
6.4 Current Consumption .................................................................................................... 104
6.4.1 Reducing Current Consumption ............................................................................. 105
6.4.2 Current Consumption Graphs ............................................................................... 106
6.4.3 Thermal Design Considerations ............................................................................. 107
6.5 Emulator Connection Without Signal Buffering for the DSP ....................................................... 107
6.6 Timing Parameter Symbology .......................................................................................... 109
6.6.1 General Notes on Timing Parameters ...................................................................... 109
6.6.2 Test Load Circuit .............................................................................................. 109
6.6.3 Device Clock Table ........................................................................................... 109
6.7 Clock Requirements and Characteristics ............................................................................. 111
6.8 Power Sequencing ....................................................................................................... 112
6.8.1 Power Management and Supervisory Circuit Solutions .................................................. 112
6.9 General-Purpose Input/Output (GPIO) ................................................................................ 115
6.9.1 GPIO - Output Timing ........................................................................................ 115
6.9.2 GPIO - Input Timing .......................................................................................... 116
6.9.3 Sampling Window Width for Input Signals ................................................................. 117
6.9.4 Low-Power Mode Wakeup Timing .......................................................................... 118
6.10 Enhanced Control Peripherals ......................................................................................... 122
6.10.1 Enhanced Pulse Width Modulator (ePWM) Timing ....................................................... 122
6.10.2 Trip-Zone Input Timing ....................................................................................... 122
6.11 External Interrupt Timing ................................................................................................ 124
6.12 I2C Electrical Specification and Timing ............................................................................... 125
6.13 Serial Peripheral Interface (SPI) Timing .............................................................................. 125
6.13.1 Master Mode Timing .......................................................................................... 125
6.13.2 SPI Slave Mode Timing ...................................................................................... 129
6.14 External Interface (XINTF) Timing ..................................................................................... 132
6.14.1 USEREADY = 0 ............................................................................................... 132
6.14.2 Synchronous Mode (USEREADY = 1, READYMODE = 0) ............................................. 133
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